renamed

Chapter 07/Exercise 7.1

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+class Person { 
+    constructor(firstname, lastname) { 
+    this.firstname = firstname; 
+    this.lastname = lastname; 
+    } 
+} 
+let person1 = new Person("Maaike", "van Putten");
+let person2 = new Person("Laurence", "Svekis");
+console.log("hello " + person1.firstname);
+console.log("hello " + person2.firstname);

Chapter 07/Exercise 7.2

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+class Person { 
+    constructor(firstname, lastname) { 
+    this.firstname = firstname; 
+    this.lastname = lastname;
+    } 
+    fullname(){
+        return this.firstname + " " + this.lastname;
+    }
+} 
+let person1 = new Person("Maaike", "van Putten");
+let person2 = new Person("Laurence", "Svekis");
+console.log(person1.fullname());
+console.log(person2.fullname());

Chapter 07/Exercise 7.3

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+class Animal {
+    constructor(species, sounds) {
+        this.species = species;
+        this.sounds = sounds;
+    }
+    speak() {
+        console.log(this.species + " " + this.sounds);
+    }
+}
+Animal.prototype.eat = function () {
+    return this.species + " is eating";
+}
+let cat = new Animal("cat", "meow");
+let dog = new Animal("dog", "bark");
+cat.speak();
+console.log(dog.eat());
+console.log(dog);

Chapter 07/Project 1

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+class Employee {
+    constructor(first, last, years) {
+        this.first = first;
+        this.last = last;
+        this.years = years;
+    }
+}
+const person1 = new Employee("Laurence", "Svekis", 10);
+const person2 = new Employee("Jane", "Doe", 5);
+const workers = [person1, person2];
+
+Employee.prototype.details = function(){
+    return this.first + " " + this.last + " has worked here " + this.years + " years"
+}
+
+workers.forEach((person) => {
+    console.log(person.details());
+})

Chapter 07/Project 2

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+class Menu {
+    #offer1 = 10;
+    #offer2 = 20;
+    constructor(val1, val2) {
+        this.val1 = val1;
+        this.val2 = val2;
+    }
+    calTotal(){
+        return (this.val1 * this.#offer1) + (this.val2 * this.#offer2);
+    }
+    get total(){
+        return this.calTotal();
+    }
+}
+ 
+const val1 = new Menu(2,0);
+const val2 = new Menu(1,3);
+const val3 = new Menu(3,2);
+console.log(val1.total);
+console.log(val2.total);
+console.log(val3.total);